Perixx industrial Touchpad (PERIPAD-501 II).
Works OOB in any Linux distro.
Apple Magic Trackpad (Gen 1).
This is how my desk looks like.
Everything sits on glass TV stands placed on a conventional office desk. It has been more than 3 years since I eliminated a chair from my office and work standing. Since then I never suffered the back pain which was a big issue along with RSI when I was working from a chair.
To distribute a strain equally on both hands, I use a button on the Perixx pad instead of pressing a corner of the Apple Trackpad.
Colourful silicon hears are not for decoration but for wrist support - even though they are so cute

I have everything in duplicate just in case any one of them fails.
Backup is important 
Thats the laungage that my
speaks in, kawaii. So, thats probably why I appreciate all your kawaii things, including the heart shaped palm wrests hehe. 
I am probably not normal! Ha! Ha! I never could understand the desire to have a tilted keyboard. I work best with a keyboard that is flat - never suffered from RSI.
I also think to some extent that when I was at Secondary School (High School) I attended typewriting lessons - and would have got a higher grade in the exam if I had not gone back to correct line spacing error! Hey ho! I think learning to touch type reduces the risk of RSI but I could be wrong. I'm always amazed at my wifes ability to type at RSA III level just using her forefingers for input and thumb for spacebar!
I personally have never suffered from any hand conditions typing on a standard keyboard. But then again, the longest I've typed on a keyboard was maybe 4-hours MAX! I certainly never typed on one all day long all at one time like maybe some office worker might.
That would be me. The only time I took a break working from home 8 til 4.30 was making a drink (now reverted to just H2O - given up tea and coffee now!) morning and afternoon with half an hour for lunch like work. Sometimes would work until 5.30 pm if work was needed urgently.
I have this (K750) keyboard on the oldest rig in the house. When I started work from home I needed a keyboard that had keys (sdf, jkl) that would emulate a Perkins machine - sadly the K750 was not able to do it so I risked it purchasing the Cherry DW 9000 slim which was OK for most manual Braille input but certain Braille letters proved Troublesome which is why it was a good job I had held on to the 'broken' (space bar broke) Trust keyboard which could handle manual Braille input flawlessly:
Family members have these Logitech K360s with matching mice:

Couldn't find matching mouse image for Indigo keyboard!
I love the Oriental flavoured keyboard and mouse design 
I am really glad that I've started this thread 
It is so fascinating to see what others are actually using everyday.
I have a collection of over 2 dozen of mice and trackpad.
(I was desperate to find a solution for RSI.)
I hope I will have a time to take a photo of them when I have a bit more time in a couple of weeks.
I am glad that you started this thread too FrenchPress! I too love seeing the hardware that people are using. We most certainly see a variety of different types. Its because each of us have different needs, or, different wants.
I have a few old keyboards from the 90's as well, some MAC and some PC. I am pretty sure I have one of those original IBM keyboards somewhere, but I don't feel like finding it right now lol.
Love this keyboard, because its beautiful indigo blue, and it also has a NUMPAD on it. 
I just convinced my husband to deep clean his trackball.
He was complaining that a single click has a double click effect.
I am not so sure if we can harvest anything yummy 
Remember the days when you could harvest coins from your couch. These days we don't much pay with cash anymore. And i am very careful to not get food crumbs in my keyboard. Mechanicals don't like food crumbs. lol
Most keyboards still have tactile raised spots on "F" and "J" keys associated with touch typing.
I can only guess those are the keys with little raised pimples on your husband's keyboard, but no other visible cues.






